RT Journal Article SR Electronic T1 Chondrodermatitis nodularis helicis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 333 OP 333 DO 10.3949/ccjm.90c.06001 VO 90 IS 6 A1 Zhang, Li-wen A1 Wu, Juan A1 Chen, Tao YR 2023 UL http://www.ccjm.org/content/90/6/333.1.abstract AB